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Septoria spot on external orange fruit surface showing characteristic small spots

Septoria spot of citrus: declared pest

28 November 2013

Septoria spot (Septoria citri) is a serious pest of citrus that can affect external fruit quality. This pest is not known to occur in Western Australia.

Typical symptoms of Fusarium crown rot in strawberry

Crown and root rot diseases of strawberries

13 January 2014

Strawberries are affected by a number of pathogens causing crown and/or root rots.  These diseases are becoming more prevalent for several reasons including the withdrawal of methyl bromide as a so

Severe powdery mildew infection on strawberry

Powdery mildew of strawberries

13 January 2014

Powdery mildew is a disease which is becoming more prevalent in Western Australian strawberry crops as increasing areas are being grown under high (Haygrove) tunnels.

Cultivar Lambert cherries with Little cherry disease symptoms (left) and healthy fruit (right)

Little cherry disease: declared pest

7 February 2014

Little cherry disease [Ampelovirus Little cherry virus 2 (LChV-2)] is a serious pest of cherries that can affect fruit development and quality.

Leaf symptoms of Little cherry disease

Little cherry disease: pest data sheet

10 February 2014

Ampelovirus Little cherry virus 2 (LChV-2) is one cause of little cherry disease (LCD) and is an exotic pest to Western Australia.

Septoria spot on external orange fruit surface showing characteristic small spots. Photo © NSW Department of Primary Industries.

Septoria spot of citrus: pest data sheet

25 February 2014

Septoria spot of citrus (Septoria citri) is an exotic disease to Western Australia. It is a serious pest that causes fruit blemishes, affecting saleability for the fresh fruit market.

Symptoms of Citrus black spot on oranges

Citrus black spot: declared pest

2 April 2014

Citrus black spot (Guignardia citricarpa) is a fungal disease of citrus trees that can affect external fruit quality. This disease is not known to occur in Western Australia.

Pink disease on citrus stem. The white and pink material shown is the fungus which has produced an encrusted growth on the stem.

Pink disease of citrus: declared pest

1 May 2014

Pink disease (Erythricium salmonicolor) is a serious pest of citrus that can affect entire limbs and/or kill trees. This pest is not known to occur in Western Australia.

Erythricium salmonicolor growth on citrus stem showing the white-pink-grey coloured hyphal mass

Pink disease of citrus: pest data sheet

1 May 2014

Pink disease (Erythricium salmonicolor) is an exotic pest to Western Australia. It is a serious disease of citrus than can result in yield losses due to limb and tree death.

Fruit symptoms of dry rot. Photo courtesy of Dr Roger Shivas, DPIF 2005.

Dry rot of citrus: declared pest

29 May 2014

Dry rot (Eremothecium coryli) is a serious pest of citrus that can affect fruit palatability and citrus rootstock seed production. This pest is not known to occur in Western Australia.

Fruit symptoms of dry rot. Photo courtesy of Dr Roger Shivas, DPIF 2005.

Dry rot of citrus: pest data sheet

29 May 2014

Dry rot (Eremothecium coryli) is an exotic pest to Western Australia.

Cottony cushion scale on young citrus tree

Citrus pests, diseases and disorders

8 November 2013

Western Australia has a low prevalence of citrus pests and diseases compared to most other countries.

Jujube fruit with brown spot

Brown spot of jujube

21 November 2017

Brown spot is a fungal disease caused by Nothophoma quercina. It affects jujubes in Western Australia and has been reported in olives, pistachios and Chinese quince in other countries.

Yellow sigatoka

Banana diseases in the Ord River Irrigation Area

26 February 2014

The ORIA is free of major banana diseases found in the Northern Territory and Queensland, such as Panama disease and black sigatoka.

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